Changes in air transport connectivity of Russian cities in 1990–2015
Crossref DOI link: https://doi.org/10.1134/S2079970517020095
Published Online: 2017-06-24
Published Print: 2017-04
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Tarkhov, S. A.
License valid from 2017-04-01